/*
 * Copyright (c) 2024 Black Sesame Technologies
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "dal_fastdds/entity_impl/DalClientImpl.hpp"
#include "dal_fastdds/listener_impl/ClientReqWriterListenerImpl.hpp"
#include "dal_fastdds/utils/log.hpp"

using namespace eprosima::fastdds::dds;

ClientReqWriterListenerImpl::ClientReqWriterListenerImpl(DalClientImpl* dal_client_impl)
    : dal_client_impl_(dal_client_impl)
{
}

void ClientReqWriterListenerImpl::on_publication_matched(DataWriter*,
                                                         const PublicationMatchedStatus& info)
{
    if (!dal_client_impl_) {
        return;
    }

    auto guid = eprosima::fastrtps::rtps::iHandle2GUID(info.last_subscription_handle);
    if (info.current_count_change == 1) {
        matched_readers_.insert(guid);
    } else if (info.current_count_change == -1) {
        matched_readers_.erase(guid);
    } else {
        return;
    }

    dal_client_impl_->req_writer_matched_count_.store(matched_readers_.size());
}